EP3172128A1 - Nacelle d'entraînement électrique - Google Patents
Nacelle d'entraînement électriqueInfo
- Publication number
- EP3172128A1 EP3172128A1 EP15790105.9A EP15790105A EP3172128A1 EP 3172128 A1 EP3172128 A1 EP 3172128A1 EP 15790105 A EP15790105 A EP 15790105A EP 3172128 A1 EP3172128 A1 EP 3172128A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cavity
- electric
- nacelle
- drive
- electric motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
- B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
- B63H21/383—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like for handling cooling-water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/125—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/20—Cooling circuits not specific to a single part of engine or machine
- F01P3/207—Cooling circuits not specific to a single part of engine or machine liquid-to-liquid heat-exchanging relative to marine vessels
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/14—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle
- H02K9/16—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle wherein the cooling medium circulates through ducts or tubes within the casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/125—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
- B63H2005/1254—Podded azimuthing thrusters, i.e. podded thruster units arranged inboard for rotation about vertical axis
- B63H2005/1258—Podded azimuthing thrusters, i.e. podded thruster units arranged inboard for rotation about vertical axis with electric power transmission to propellers, i.e. with integrated electric propeller motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/0206—Heat exchangers immersed in a large body of liquid
- F28D1/022—Heat exchangers immersed in a large body of liquid for immersion in a natural body of water, e.g. marine radiators
Definitions
- the invention relates to an electric nacelle drive for a ship comprising a nacelle housing, which is rotatably connectable to a ship's hull, and an electric motor arranged in the nacelle housing. Furthermore, the invention relates to a ship having such an electric gondola drive.
- Such an electric propulsion pod comes beispielswei ⁇ se as a drive unit for a ship used to give, be ⁇ is the propulsion pod outside the ship's hull and Below the water table, especially in the sea water and drives a propeller.
- Such pod drives are also known as POD drives.
- electric nacelle drive as in any electrical machine, losses, which must be dissipated in the form of heat. In particular, this can be done only partially via the gondola surface to the surrounding seawater, so that additional cooling is needed.
- the additional cooling is usually via a closed cooling circuit through the drive, the shaft and the
- the invention has for its object to provide an alternative cooling for an electric nacelle drive.
- an electric nacelle drive of the type mentioned above in that the electric nacelle drive at least one arranged in the nacelle cavity, wherein the at least one cavity in each case with respect to a motor axis in the axial direction offset from the electromobility ⁇ tor is arranged and wherein the at least one cavity is designed ⁇ that is able to penetrate through at least one housing ⁇ opening water into the at least one cavity, which surrounds the nacelle drive at least partially, at least one heat exchanger, which is in each case arranged in at least one cavity, and a closed cooling circuit, which in Gondola housing extends, wherein the closed cooling circuit is configured such that waste heat of the electric motor via a circulating in the closed cooling circuit cooling medium is receivable and with ⁇ means of at least one heat exchanger to the at least one cavity bef Indian water is deliverable. Furthermore, this object is achieved by having a ship to ⁇ least one such electric gondola drive.
- the respective cavity is a region of the electric cable drive or of the housing, into which can penetrate the Gondelan ⁇ operating at least partially surrounding water.
- the respective cavity is arranged offset in the axial direction to the electric motor.
- the respective cavity is designed as a bilge space.
- the electric motor can be designed, for example, as an asynchronous motor or synchronous motor and can be cooled by means of the cooling medium.
- the cooling medium of the closed cooling circuit may be liquid, such as oil or water, or gaseous, such as air.
- Another advantage of the proposed cooling that the otherwise required space for recooling elements in the hull can be used elsewhere. Furthermore, in particular with an operation of the Gon ⁇ delantriebs in salty water as an advantage that can be dispensed with cooling channels, which lead salty water directly into the electric motor to its cooling. By means of the heat exchanger thus the durability of the electric cable drive and in particular the Elektromo ⁇ gate can be increased.
- a turbomachine is provided, by means of which the cooling medium in the closed cooling circuit is ummélzbar.
- the respective cavity between a respective axial end face of the electric motor and a respective axial end face of the nacelle housing is arranged, in which the respective axial end face of the electric motor has.
- the pod housing may be several compartments aufwei ⁇ sen, wherein the electric motor in one of the compartments and the JE stays awhile cavity is housed in another of the compartments.
- the respective cavity in a compartment is arranged ⁇ may be which is separated by a fluid-tight intermediate wall by the electric motor or its compartment.
- the respective axial end-side of the pod housing may, for example a cone-shaped or Wesent ⁇ union frustoconical tip.
- a propeller is arranged, which is driven by means of the electromobility ⁇ sector.
- the electric nacelle drive has a drive shaft and a rotatably connected to the drive shaft propeller, wherein the respective cavity surrounds the respective drive shaft in the circumferential direction at least along half the circumference.
- a respective cavity designed in this way can be arranged, for example, between a first housing opening at the bottom in the housing and a second housing opening at the top in the housing.
- cold water penetrates from below through the first housing opening into the respective cavity, is heated by the respective heat exchanger and rises to finally exit the cavity and the housing via the second housing opening.
- the respective cavity allows a good heat dissipation, by a convection of the water in the cavity is favored.
- the first housing openings and the second housing openings can be arranged and / or keptstal ⁇ tet, that during operation of the electric Gon ⁇ delantriebs a flow of the surrounding the nacelle water is deflected by deflection into the respective cavity or out.
- the drive shaft is thereby separated and protected by means of a separation ⁇ wall of the water located in the respective cavity.
- the respective cavity completely surrounds the drive shaft in the circumferential direction. This allows, for example, for rotation with the actuator shaft connected to the propeller blades within the hollow ⁇ space to arrange, by means of which the water in the respective cavity may be circulated, so that a special ders good removal of heat from the respective réelletau ⁇ shear can be guaranteed.
- the heat exchanger in this case at least one tube, which closes the drive shaft in the circumferential direction in each case completely ⁇ .
- the at least one tube is at least partially disposed in the respective cavity, so that it in thermal
- the respective cavity surrounds the drive shaft completely in the circumferential direction.
- a ⁇ be Sonders good heat dissipation from the heat exchanger can thus be achieved.
- the electric motor has a stator, wherein the closed cooling circuit comprises at least one stator, wel ⁇ cher in each case at least partially abuts the stator and / or at least partially angeord ⁇ net in the stator.
- the respective stator channel may, for example, extend in the axial or circumferential direction on and / or in the stator, thereby ensuring particularly good heat transfer from the stator to the cooling medium circulating in the closed cooling circuit.
- the respective stator channel can be designed as a bore in the stator.
- the respective stator channel can also be designed as a groove introduced radially from the outside and / or be arranged in the form of a helical, web or meandering manner on the radial outer surface of the stator.
- the cooling medium is enclosed by means of a hollow profile relative to the stator.
- the electric motor has a rotatably mounted rotor and a rotatably connected to the rotor drive shaft, wherein the closed cooling circuit at least one rotor channel summarizes, which in each case at least partially on the rotor is ⁇ and / or in each case at least partially in the rotor is arranged on ⁇ , and wherein the respective heat exchanger is rotatably connected to the drive shaft.
- the respective rotor channel may extend, for example, in the axial or in the circumferential direction on and / or in the rotor, whereby a particularly good heat transfer from the rotor to the cooling medium circulating in the closed cooling circuit is ensured.
- the respective rotor channel can be designed as a bore in the rotor.
- the respective rotor channel can also be designed as a groove introduced from radially inward into the magnetically active rotor body and / or arranged in the form of a helical or meandering shape on the radial inner side of the rotor.
- the cooling medium is enclosed by means of a hollow profile relative to the rotor.
- the drive shaft can be designed at least in sections as a web shaft or have axially extending grooves, wherein parts of the closed cooling circuit are arranged in the gap between two webs or grooves adjacent in the circumferential direction.
- such a connection of the rotor channels are made with the respective varnishtau ⁇ shear.
- the closed cooling circuit can also be configured such that both at least one stator channel and at least one rotor channel are provided. It is also conceivable to provide for the at least one stator channel and the at least one rotor channel separate, closed cooling circuit with at least one respective heat exchanger, which is or are arranged in one or more cavities.
- the proposed electric nacelle drive is designed such that it can be operated with an electrical power of several 100 kW, in particular several megawatts.
- FIG. 1 shows a first exemplary embodiment of the electric nacelle drive according to the invention.
- the electric nacelle ⁇ drive has a nacelle housing 1, which is rotatably connected to a ship's hull.
- an electric motor 2 with a motor shaft 4 and a cavity 3 are arranged, which is arranged with respect to the motor shaft 4 in the axial direction offset from the electric motor 2.
- the cavity 3 is between an axial end 8 of the Elekt- Romotors 2 and an axial end face 9 of the nacelle housing 1, in which the axial end face 8 of the electric ⁇ motor 2 has.
- the cavity 3 is designed such that through a housing opening 5 water can penetrate into the cavity 3, which surrounds the nacelle drive at least teilwei ⁇ se.
- the nacelle drive has a closed, running in the nacelle housing 1 cooling circuit 7 and a heat exchanger 6, which is arranged in the cavity 3.
- the closed cooling circuit 7 is configured such that from ⁇ heat of the electric motor 2 is accommodated on a circulating in the closed cooling circuit 7 and the cooling medium can be dispensed with ⁇ means of the heat exchanger 6 to the left in the cavity 3 of water.
- the electric nacelle drive ei ⁇ ne drive shaft and at least one propeller having, each rotatably connected to the electric motor and which are not shown in detail for the sake of clarity in Figure 1 .
- the nacelle housing 1 may be connected via a gondola shaft, not shown, with the hull.
- FIG. 2 shows a second exemplary embodiment of the electric gondola drive according to the invention.
- the same reference numerals as in Figure 1 denote the same objects. Since the second embodiment has similarities with the first embodiment are explained below some lower ⁇ differences.
- the electric motor 2 has a stator 12 and a rotatably mounted rotor 14 which is non-rotatably connected to a drive shaft 10.
- the drive shaft 10 is in turn rotatably connected to a propeller 11.
- By means of an intermediate wall 16 of the electric motor 2 is separated from the cavity 3.
- the cavity 3 encloses the drive shaft 10 completely in the circumferential direction and is accessible via two housing openings 5 for the nacelle surrounding water, wherein one of the two housing openings 5 above and the other is arranged below in the nacelle housing 1. Since the cavity 3 is separated by a partition wall 18 of the drive shaft 10, it is prevented that the drive shaft 10 comes into contact with the water in the cavity 3.
- the arranged in the cavity 3 heat exchanger 6 is madestal ⁇ tet, for example, such that it surrounds the drive shaft 10 in the circumferential direction fully ⁇ constantly.
- the closed cooling circuit 7 has stator channels 13, which rest at least in sections on the stator 12 and / or are arranged in the stator 12.
- FIG. 3 shows a third exemplary embodiment of the electric gondola drive according to the invention.
- the ge ⁇ connected to the cooling circuit of the cable drive according to the drit ⁇ th embodiment rotor channels 15 which are at least in sections lie against the rotor 14 and / or in the rotor 14 arranged arrival.
- the heat exchanger 6 is rotatably connected to the drive shaft 10.
- the electric nacelle drive can also be configured such that both stator channels 13 according to the second exemplary embodiment and rotor channels 15 according to the present, third exemplary embodiment are provided. It is also conceivable to provide separate, closed cooling circuits 7 with at least one respective heat exchanger 6 for the stator channels 13 and rotor channels 15.
- FIG. 4 shows a fourth exemplary embodiment of the electric gondola drive according to the invention, wherein only a detail is shown.
- the heat exchanger 6 has Tubes 17, wherein the cavity 3 and the tubes 10, the drive shaft 10 completely enclose in the circumferential direction.
- a heat exchanger 6 can be used in one of the previously illustrated embodiments.
- the invention relates to an electric nacelle drive for a ship comprising a nacelle housing, which is rotatably connected to a ship's hull, and an electric motor arranged in the nacelle housing. Furthermore, the invention relates to a ship having such an electric nacelle drive.
- the electric nacelle drive at least one arranged in the nacelle cavity, wherein the at least one cavity in each case with respect to a motor axis in the axial direction offset from the electric motor is arranged and wherein the at least one cavity configured is that at least one housing opening water can penetrate into the at least one cavity, which at least partially surrounds the nacelle drive, at least one heat exchanger, which is more in each case arranged in at least one cavity, and a closed cooling circuit, which runs in the nacelle housing, wherein the closed cooling circuit is configured such that waste heat from the electric motor can be absorbed via a cooling medium circulating in the closed cooling circuit and by means of the at least one heat exchanger to the What in at least one cavity Was is deliverable.
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14193033.9A EP3020625A1 (fr) | 2014-11-13 | 2014-11-13 | Entraînement de nacelle électrique |
PCT/EP2015/075445 WO2016074968A1 (fr) | 2014-11-13 | 2015-11-02 | Nacelle d'entraînement électrique |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3172128A1 true EP3172128A1 (fr) | 2017-05-31 |
EP3172128B1 EP3172128B1 (fr) | 2018-05-23 |
Family
ID=51900239
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14193033.9A Withdrawn EP3020625A1 (fr) | 2014-11-13 | 2014-11-13 | Entraînement de nacelle électrique |
EP15790105.9A Not-in-force EP3172128B1 (fr) | 2014-11-13 | 2015-11-02 | Entraînement de nacelle électrique |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14193033.9A Withdrawn EP3020625A1 (fr) | 2014-11-13 | 2014-11-13 | Entraînement de nacelle électrique |
Country Status (4)
Country | Link |
---|---|
EP (2) | EP3020625A1 (fr) |
KR (1) | KR101871640B1 (fr) |
CN (1) | CN106687369B (fr) |
WO (1) | WO2016074968A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016214026B4 (de) * | 2016-07-29 | 2018-03-15 | Siemens Aktiengesellschaft | Drehvorrichtung für einen elektrisch betriebenen POD |
DE102016218872A1 (de) | 2016-09-29 | 2018-03-29 | Siemens Aktiengesellschaft | Kühlung eines elektrischen Gondelantriebs |
CN110422309B (zh) * | 2019-07-02 | 2021-10-08 | 哈尔滨工程大学 | 应用于吊舱推进器推进电机的开式冷却系统及控制方法 |
FR3100222A1 (fr) * | 2019-08-28 | 2021-03-05 | Motion Concept Group | Système de motorisation électrique pour embarcation, telle qu’une planche de surf ou de paddle, avec moyens de refroidissement |
DE102019128105A1 (de) * | 2019-10-17 | 2021-04-22 | Torqeedo Gmbh | Antrieb für ein Boot mit Elektromotor |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE877254C (de) | 1949-11-29 | 1955-01-31 | Pleuger K G | Elektromotorische Antriebsvorrichtung fuer Propeller od. dgl. von Schiffen |
US5101128A (en) * | 1990-08-23 | 1992-03-31 | Westinghouse Electric Corp. | System and method for cooling a submersible electric propulsor |
FI96590B (fi) | 1992-09-28 | 1996-04-15 | Kvaerner Masa Yards Oy | Laivan propulsiolaite |
CA2297047C (fr) * | 1997-07-21 | 2004-01-27 | Siemens Aktiengesellschaft | Systeme d'entrainement en nacelle par moteur electrique pour navire |
FI110254B (fi) * | 2000-09-25 | 2002-12-31 | Abb Oy | Aluksen propulsiolaitteen asennusjärjestely sekä siihen liittyvä menetelmä ja väline |
KR100427487B1 (ko) * | 2000-11-28 | 2004-04-30 | 이광현 | 모터를 이용한 동력선의 추진장치 |
US7018249B2 (en) * | 2001-11-29 | 2006-03-28 | Siemens Aktiengesellschaft | Boat propulsion system |
DE10158757A1 (de) * | 2001-11-29 | 2003-06-18 | Siemens Ag | Schiffsantrieb |
CN1816217B (zh) * | 2005-02-06 | 2010-06-02 | 华为技术有限公司 | 基于节点地址更换的路径建立方法 |
JP4857442B2 (ja) * | 2006-03-16 | 2012-01-18 | 株式会社Ihi | ポッド型推進器 |
DE102010039609A1 (de) | 2010-08-20 | 2012-02-23 | Siemens Aktiengesellschaft | Elektrischer Gondelantrieb für eine schwimmende Einrichtung mit interner Statorkühlung |
-
2014
- 2014-11-13 EP EP14193033.9A patent/EP3020625A1/fr not_active Withdrawn
-
2015
- 2015-11-02 EP EP15790105.9A patent/EP3172128B1/fr not_active Not-in-force
- 2015-11-02 CN CN201580049076.6A patent/CN106687369B/zh not_active Expired - Fee Related
- 2015-11-02 KR KR1020177016022A patent/KR101871640B1/ko active IP Right Grant
- 2015-11-02 WO PCT/EP2015/075445 patent/WO2016074968A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2016074968A1 (fr) | 2016-05-19 |
KR101871640B1 (ko) | 2018-06-26 |
CN106687369B (zh) | 2018-08-10 |
EP3020625A1 (fr) | 2016-05-18 |
EP3172128B1 (fr) | 2018-05-23 |
KR20170085545A (ko) | 2017-07-24 |
CN106687369A (zh) | 2017-05-17 |
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